8 2 6 3 7 5 7 6 6 3 7 5 2 1 8 8 1 3 4 6 9 3 4 2 9 4 1 9 12-03-2018.......hard 12-03-2018 www.daily-sudoku-puzzle.com

8 7 2 4 6 1 9 3 5 9 6 1 3 5 2 8 7 4 3 5 4 9 7 8 6 1 2 6 4 3 7 8 5 2 9 1 2 1 5 6 9 4 7 8 3 7 9 8 1 2 3 4 5 6 1 8 9 2 3 6 5 4 7 4 2 7 5 1 9 3 6 8 5 3 6 8 4 7 1 2 9

7=>(1,2) | 4=>(4,2) | 8=>(4,5) | 1=>(4,9) | 3=>(3,1) | 3=>(9,2) | 9=>(6,2) | 9=>(4,8) | 7=>(6,1) | 2=>(5,1) | 9=>(2,1) | 5=>(9,1) | 6=>(2,2) | 8=>(7,2) | 9=>(3,4) | 5=>(5,3) | 2=>(6,5) | 5=>(6,8) | 9=>(1,7) | 4=>(8,1) | 1=>(7,1) | 9=>(5,5) | 1=>(8,5) | 5=>(2,5) | 4=>(1,4) | 5=>(1,9) | 8=>(2,7) | 3=>(1,8) | 1=>(1,6) | 8=>(3,6) | 6=>(5,4) | 4=>(5,6) | 8=>(8,9) | 1=>(2,3) | 2=>(2,6) | 1=>(3,8) | 8=>(9,4) | 5=>(8,4) | 6=>(7,6) | 3=>(8,7) | 6=>(8,8) | 3=>(5,9) | 4=>(3,3) | 4=>(2,9) | 2=>(3,9) | 6=>(9,3) | 7=>(8,3) | 2=>(7,4) | 7=>(5,7) | 7=>(9,6) | 5=>(7,7) | 2=>(9,8) | 7=>(7,9) |